3 Protocol
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PJ04030102B
3.7
Exit code
0x0A(LineFeed) fixed.
3.8
Error handling
An external controller should not transmit the next commands until it receives an ACK that the transmitted unit ID and the
command match.
The specifications for timeout and retry when an ACK response has not been received are not specified here; the specifications
unique to the external controller may be used.
If the byte interval is blank for 50 ms or longer, initialize the transmit-receive sequence (the received data is discarded).
If a unit ID other than its own is received, it is ignored.
If the unit ID matches but an undefined header/command is received, it is ignored.
If the header/command is normal but an undefined parameter is received, it is ignored.
Even if the command receipt is normal (ACK response) and the parameter is valid, it may be ignored, depending on the state of
the projector. For the details, see the instruction manual for the projector (for example, projector, power ON operation in the
power cooling state, etc.).